Door latch



FIG. 1 is a perspective view of a door latch;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof, the bottom being substantially similar in appearance;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof and;

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a door latch, as shown and described. 